On-Sale Bar

May 12, 2022
Engineer at an oil refinery inspects centrifuge equipment.

Federal Circuit Narrows Application of the Experimental Use Exception

Under the “on-sale bar”, privately offering to sell an invention before filing a patent application can void the patent rights in all but a few permissible scenarios.
January 23, 2019

SCOTUS Finds That Secret and Mere Existence of Sales May Invalidate Patents

586 U.S. ___ (2019) SCOTUS affirms CAFC's decision holding that if the existence of the sale is public, the invention does not need to be publicly disclosed to fall within the AIA’s on-sale bar.
November 23, 2015

CAFC to Rehear On-Sale Bar Novelty Case

The CAFC has now granted a petition for a rehearing the case on this issue of whether or not the sale of bivalirudin from the supplier gave rise to an on-sale bar.